Bagel slicer



FIG. 1 illustrates a front view of the claimed design for a bagel slicer;

FIG. 2 illustrates a top view thereof;

FIG. 3 illustrates a bottom view thereof;

FIG. 4 illustrates an internal sectional view thereof;

FIG. 5 illustrates a bottom perspective view thereof; and,

FIG. 6 illustrates a top perspective view thereof. 

The ornamental design for a bagel slicer, as shown and described. 